Home / 15,680,087,999.70-23,520,131,999.55-7,843,671,590.10

Finding the Fourth Proportional to 15,680,087,999.70, 23,520,131,999.55 and 7,843,671,590.10

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Solution

The fourth proportional to 15,680,087,999.70, 23,520,131,999.55 and 7,843,671,590.10 is: 11,765,507,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,087,999.70 : 23,520,131,999.55 = 7,843,671,590.10 : x
  2. Step 2: Convert to fraction form
    15,680,087,999.70/23,520,131,999.55 = 7,843,671,590.10/x
  3. Step 3: Cross multiply
    15,680,087,999.70x = 23,520,131,999.55 × 7,843,671,590.10
  4. Step 4: Simplify right side
    15,680,087,999.70x = 184,484,191,160,272,257,024
  5. Step 5: Solve for x
    x = 184,484,191,160,272,257,024/15,680,087,999.70
  6. Step 6: Final answer
    x = 11,765,507,385.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.